No, the gearbox contains the gears; the clutch is really a separate component that connects the engine to the transmission. The correct sequence of pressure Create-up and launch is managed by a complex arrangement of hydraulic valves along side sensors that reply to motor load, road speed and throttle opening. https://gearboxauto32841.ageeksblog.com/33026383/5-simple-techniques-for-gearbox-auto